Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 98 · 40 questions

The method (Find the 100%): Name the topic and write its formula. For percent questions, decide which value is the 100%. Check units (₹, km/h, days) and whether the answer is sensible.

1. 1.A car runs for 4 hours at 59 km/h and then for 2 hours at 23 km/h. What is its average speed for the whole journey (in km/h)?
2. 2.What is the difference between the compound interest and the simple interest on ₹35000 at 12% per year for 2 years (in ₹)?
3. 3.Find the compound interest on ₹30625 at 4% per year for 2 years, added every year (in ₹).
4. 4.A bicycle is marked at ₹1080. The shop gives a 20% discount. How much do you pay (in ₹)?
5. 5.In how many years will ₹12400 earn ₹496 as simple interest at 4% per year?
6. 6.Change 15 m/s into km/h.
7. 7.A price goes up by 25% and then comes down by 15%. By what percent has it gone up in all? =
8. 8.A cricket bat bought for ₹740 is sold at a profit of 15%. What is the selling price (in ₹)?
9. 9.Ananya is 7 years older than Sneha. In 3 years, the sum of their ages will be 65. How old is Sneha now?
10. 10.A shopkeeper buys a study lamp for ₹1620 and sells it for ₹1458. Find the loss percent.
11. 11.By selling a table fan for ₹1224, a shopkeeper makes a loss of 15%. What did the table fan cost the shopkeeper (in ₹)?
12. 12.A school bag is marked at ₹640. The shop gives a 10% discount. How much do you pay (in ₹)?
13. 13.How many minutes does a car take to go 121 km at 33 km/h?
14. 14.A shop sells 4320 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
15. 15.A pair of shoes marked at ₹4800 is sold for ₹2880. What is the discount percent?
16. 16.The price of a school bag changes from ₹720 to ₹828. By what percent did it go up?
17. 17.A cricket bat is marked at ₹3320. The shop gives a 5% discount. How much do you pay (in ₹)?
18. 18.In how many years will ₹11100 earn ₹666 as simple interest at 3% per year?
19. 19.By selling a watch for ₹190, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
20. 20.Tara can finish a job in 17 days and Sneha in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
21. 21.A school bag marked at ₹540 is sold for ₹486. What is the discount percent?
22. 22.The average of 9 numbers is 22. When one more number is added, the average becomes 24. What number was added?
23. 23.In how many years will ₹12800 earn ₹8320 as simple interest at 13% per year?
24. 24.Diya can finish a job in 7 days and Arjun in 6 days. What fraction of the job do they finish if they work together for 1 day? =
25. 25.A bicycle bought for ₹1920 is sold at a loss of 40%. What is the selling price (in ₹)?
26. 26.After a 50% discount, a pair of shoes costs ₹2110. What was its marked price (in ₹)?
27. 27.A price comes down by 50% and then comes down by 50% more. By what percent has it come down in all? =
28. 28.Find the simple interest on ₹15000 at 7% per year for 2 years (in ₹).
29. 29.The price of a school bag changes from ₹1380 to ₹2070. By what percent did it go up?
30. 30.Kabir’s father is three times as old as Kabir. The sum of their ages is 52 years. How old is the father?
31. 31.Kabir cycles to his school at 39 km/h and comes back by the same road at 78 km/h. What is his average speed for the whole trip (in km/h)?
32. 32.A cricket bat is marked at ₹4440. The shop gives a 20% discount. How much do you pay (in ₹)?
33. 33.Change 18 km/h into metres per second.
34. 34.Diya puts ₹15500 in a bank at 3% simple interest per year. How much will she have after 1 year (in ₹)?
35. 35.Saanvi can finish a job in 7 days and Aarav in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
36. 36.Find the amount when ₹16875 is invested at 4% per year compound interest for 2 years (in ₹).
37. 37.Saanvi’s father is five times as old as Saanvi. The sum of their ages is 90 years. How old is the father?
38. 38.Rohan and Manav together finish a job in 14 days. Rohan alone takes 18 days. How many days would Manav take alone?
39. 39.In how many years will ₹7500 earn ₹300 as simple interest at 4% per year?
40. 40.A pair of shoes is marked at ₹2240. The shop gives a 20% discount. How much do you pay (in ₹)?

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